a lapse in the thought process while tweeting that causes you to post something that maybe you shouldn't.

@Kanye :I know I said I'd bite my tounge but 6 AMA noms for a 19 year oLd?!?! Two albums!? Fuck that!!!!!

TMI can lead to tweetfarting. Here is an example:
@ruthakers They canceled school and reminded everyone to "Prepare for a blackout" I've got 2 bottles of Vodka and percocet Blackout is *so happening* (definitely a tweetfart)